Staff

Please select a resource from the list below.

Teach Yourself

• Trigonometrical ratios in a right angled triangle
  This unit introduces the ratios sine, cosine and tangent, with reference to a right angled triangle.

Test Yourself

• Diagnostic Test - Trigonometric Ratios 1
• Exercise - Trigonometric Ratios 1

Video

A transcript of each video should be available in the Teach Yourself section above.

(This site uses Windows Media technologies from Microsoft to deliver video streams. Streaming facilities are kindly provided by University of Portsmouth Creative Technologies, http://stream.port.ac.uk)

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• Trig ratios in a right angled triangle
  Knowledge of the trigonometric ratios of sine, cosine and tangent is vital in very many fields of engineering, science and maths. This unit introduces them and provides examples of how they can be used to solve problems. (Mathtutor Video Tutorial)

iPOD Video

• Trig ratios for any angle animation
  Video for iPod